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https://issues.apache.org/jira/browse/LUCENE-4470?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Markus Jelsma updated LUCENE-4470:
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Attachment: SOLR-4470-trunk-1.patch
> Expose SpanFirst in eDismax
> ---------------------------
>
> Key: LUCENE-4470
> URL: https://issues.apache.org/jira/browse/LUCENE-4470
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/queryparser
> Affects Versions: 4.0-BETA
> Environment: solr-spec 5.0.0.2012.10.09.19.29.59
> solr-impl 5.0-SNAPSHOT 1366361:1396116M - markus - 2012-10-09 19:29:59
> Reporter: Markus Jelsma
> Fix For: 4.1, 5.0
>
> Attachments: SOLR-4470-trunk-1.patch
>
>
> Expose Lucene's SpanFirst capability in Solr's extended Dismax query parser.
> This issue adds the SF-parameter (SpanFirst) and takes a FIELD~DISTANCE^BOOST
> formatted value.
> For example, sf=title~5^2 will give a boost of 2 if one of the normal
> clauses, originally generated for automatic phrase queries, is located within
> five positions from the field's start.
> Unit test is included and all tests pass.
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